行 20:
command = new OleDbCommand(SqlText,new OleDbConnection(config.DALConnectionString));
行 21:
行 22:
command.CommandType = CommandType.Text;
行 23:
command.Connection.Open();
行 24:
}
源文件: C:\Users\XXX\Documents\Visual Studio 2008\Projects\Project1\DAL\DAL\StoredProcedure.cs
行: 22
堆栈跟踪:
[InvalidOperationException: ConnectionString 属性尚未初始化。]
System.Data.OleDb.OleDbConnection.PermissionDemand() +996487
System.Data.OleDb.OleDbConnectionFactory.PermissionDemand(DbConnection outerConnection) +20
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117
System.Data.OleDb.OleDbConnection.Open() +40
DAL.StoredProcedure..ctor(String SqlText) in C:\Users\XXX\Documents\Visual Studio 2008\Projects\Project1\DAL\DAL\StoredProcedure.cs:22
DAL.ExecuteSql.run(DataTable table, String sqlText) in C:\Users\XXX\Documents\Visual Studio 2008\Projects\Project1\DAL\DAL\ExecuteSql.cs:28
chatmain.Page_Load(Object sender, EventArgs e) in c:\Users\XXX\Documents\Visual Studio 2008\chatroomWebSite\chatmain.aspx.cs:25
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
谢谢
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